Home / 2,124.45-3,183.96-1,713.78

Finding the Fourth Proportional to 2,124.45, 3,183.96 and 1,713.78

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Solution

The fourth proportional to 2,124.45, 3,183.96 and 1,713.78 is: 2,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.45 : 3,183.96 = 1,713.78 : x
  2. Step 2: Convert to fraction form
    2,124.45/3,183.96 = 1,713.78/x
  3. Step 3: Cross multiply
    2,124.45x = 3,183.96 × 1,713.78
  4. Step 4: Simplify right side
    2,124.45x = 5,456,606.97
  5. Step 5: Solve for x
    x = 5,456,606.97/2,124.45
  6. Step 6: Final answer
    x = 2,568.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.